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3
FREQUENCY AND CHANNEL SETTING
13
■
Main band selection
This transceiver can receive 2 band signals simultaneously.
To change frequency or to activate a function, you must des-
ignate a band, VHF or UHF, as the main band. All switches
affect the designated main band only.
• “
Q
” appears above the main band.
■
Operating band selection
The VHF display can also receive UHF, avionics band*
1
and
VHF weather channels.*
2
The UHF display can also receive
VHF band signals. Using this capability, the transceiver can
receive 2 frequencies simultaneously on either the VHF or
UHF band. In addition, a display can be turned OFF to use
the transceiver as a mono band transceiver.
q
Select the desired
band with [MAIN].
w
Push [BAND] several
times to select the de-
sired band.
• “- - - - -” appears when
the display is OFF.
• Rotating [DIAL] while
pushing [BAND] also
selects the display.
*
1
U.S.A. and Asia versions only *
2
U.S.A. version only
D
Exchanging the displays
]
VHF and UHF displays can be ex-
changed at power ON if desired. The
right and left displays are used for
VHF and UHF, respectively, by de-
fault.
q
Turn power ON while pushing [
(BAND)
CHNG] to enter band
arrangement condition.
w
Rotate [DIAL] to select the displays.
e
Push [VFO] to program the display selection.
r
Turn power OFF to exit band arrangement condition.
NOTE:
• VHF and UHF memory channels are called up from the
respective operating band, regardless of left/right displays.
• 5 kHz tuning steps cannot be selected in the VHF display
when both displays are set for the UHF band.
• The sub band is muted when crossband full duplex is de-
activated and the main band is transmitting.
• The sub band is muted under the following conditions
even when crossband full duplex is activated:
- Both displays show the same band.
- Sub band is the avionics band and main band is VHF transmission.
- Sub band is a weather channel and main band is UHF trans-
mission.
MAIN
MAIN
BAND
BAND
MAIN
*
2
*
1